.concern_root {
  background-color: #f2f2f2;
}
.concern_root .concern_main {
  margin: 0px auto;
  width: 982px;
  height: 700px;
  background-color: #fff;
  border: 1px solid lightgray;
  border-bottom: none;
}
.concern_root .concern_bgc {
  width: 902px;
  height: 414px;
  margin: 0 auto 0;
  margin-top: 70px;
  background: url('../../../assets/img/bg_notlogin.jpg');
  background-position: 45px 0px;
  position: relative;
}
.concern_root .concern_bgc a {
  width: 157px;
  position: absolute;
  bottom: 106px;
  right: 165px;
  height: 48px;
  display: block;
  text-align: center;
  border-radius: 5px;
}
.concern_root .concern_bgc a:hover {
  cursor: pointer;
  background-color: #fff;
  opacity: 0.2;
}
